Finding the Fourth Proportional to 217,948.69, 326,724.99 and 194,329.09
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Solution
The fourth proportional to 217,948.69, 326,724.99 and 194,329.09 is: 291,317.05
Step by Step Solution
- Step 1: Write the proportion equation
217,948.69 : 326,724.99 = 194,329.09 : x - Step 2: Convert to fraction form
217,948.69/326,724.99 = 194,329.09/x - Step 3: Cross multiply
217,948.69x = 326,724.99 × 194,329.09 - Step 4: Simplify right side
217,948.69x = 63,492,169,986.96 - Step 5: Solve for x
x = 63,492,169,986.96/217,948.69 - Step 6: Final answer
x = 291,317.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.